GLS Documents: (These are PDF files requiring Adobe Reader)
G1 GLS, Inc. Insurance Certificate
G2 GLS,Inc.AIA Form A305(Contractor's Qualification Statement)
G3 Roofing Contractor Considerations
NRCA Consumer Advisory Bulletins: (These are PDF files requiring Adobe Reader)
N1 Selecting a Professional Roofing Contractor
N2 Roofing Warranties
Roofing Technology/Symposia Technical Papers: (Click Here to download the READ.ME file - it explains document handling.)
Symposium on Roofing Technology - 1977
T1 The Ten-Year Experience In Europe With One And Two Ply Systems With
Bituminous And Plastic Roofing Membranes
T2 Membrane Roofing Systems In Japan
T3 Roofs And Roofing In Sweden
T4 Roofing Practices In The USA: Techniques Or Technology?
T5 The Assessment And Testing Of Membrane
Roofings
T6 Properties Of 21 Year Old Coal- Tar Pitch Membranes: Comparison With The NBS Preliminary Performance Criteria
T7 Experimental Determination Of Temperature Induced Loads In BUR Systems
T8 Performance Criteria For The Protected Membrane Roof System
T9 The Systems Approach To Roof Performance
T10 Physical Properties of BUR Membranes Tested At Low Rates Of
Loading
T11 Application Of Performance Concept In Evaluation, Specification, And
Selection Of Roofing Materials
T12 The Protected Membrane Roof (PMR) - A Study Combining Field And
Laboratory Tests
T13 The Modified Bitumen One Layers In Italy And Europe: Origins And
Growth
T14 Glassmat As A Base For Bituminous Roofing Membranes
T15 Perforation Resistance Of Polymeric Roofing Sheets
T16 The Development Of A Procedure For The Design Of Rooftops Against
Gravel Blow-Off And Scour In High Winds
T17 Performance Of Roofing Systems In Wind Storms
T18 Impact Of Roof Insulation Thickness On Life-Cycle Costing Of Built-Up Roof Systems
T19 Behavior Of Thermal Insulations Used As Substrates For Roofing Membranes
T20 Some Observations On The Behavior Of Built-Up Roofing Membranes Over Expanded Polystyrene In The U.K.
T21 Temperature Of Bituminous Roofing Membrane And Its Relation To
Ambient Conditions
T22 Does More Roof Insulation Cause Premature Roofing Membrane Failure Or Are Roofing Membranes Adequate?
T23 Expansion-Contraction Effects On Aluminum Coated Asphalt Built-Up
Roofing
T24 Optimization Of The Thermal Resistance Of Roof Insulation In
Reroofing
T25 Cold Process Roofing: Systems Performance With Fiber Glass And Felt Base Membranes
T26 Clay Type Asphalt Emulsion Based Reflective Coatings
T27 Specialized Petroleum Asphalt Coatings In Membrane Waterproofing
T28 Equilibrium Moisture Content Of Roofing And Roof Insulation Materials And The Effect Of Moisture On The Tensile Strength Of Roofing Felts
T29 Effects Of Moisture And Freeze-Thaw Cycles On The Strength Of
Bituminous Built-Up Roofing Membranes
T30 Air Borne Thermal Infrared And Nuclear Meter Systems For Detecting Roof Moisture
T31 Hand-Held Infrared System For Detecting Roof Moisture
T32 Field Measurement Of Asphalt Temperature During Cold Weather
Construction Of BUR Systems
5th Conference on Roofing Technology - 1979
T33 Performance Characteristics Of Roof
Insulation
T34 Moisture Gain And Its Thermal Consequence For
Common Roof
Insulations
T35 Some Design Characteristics Of Insulation In Flat
Roofs Related To
Temperature And Moisture
T36 Scientific Evaluation Of Existing Roofing
Systems
T37 Technical Aspects Of Retrofitting
T38 Upgrading Existing Roofs
T39 Performance Consideration For Thermally Efficient
Roofing Systems
T40 Effects Of Moisture And Temperature On Roofing
Membranes In Thermally
Efficient Roofing Systems
T41 Conventional Membrane Design For Thermally
Efficient Roofing
Systems
T42 Employment Of Non-Conventional Membranes In
Thermally Efficient
Roofing Systems
6th Conference on Roofing Technology - 1981
T43 A Technical Performance Approach to a New
Built-Up Roofing
Product
T44 Thermal Loading of Bituminous Roofing
Membranes
T45 Asphalt Durability
T46 Venting of Built-Up Roofing Systems
T47 Performance Criteria and Testing for Wind and Fire
Resistance
T48 Roof Construction Details
T49 Membrane Integrity Depends on Characteristics of
Entire Roof
Assembly
T50 Laboratory Testing of Roofing Systems Under Field
Conditions
T51 Blistering Over Urethane
T52 Measuring Roof System Thermal Resistance
T53 Guidelines for Installation of Solar Components on
Low-Sloped Roofs - A
Summary
T54 Development of Laboratory Performance Tests of
Built-Up
Roofing
7th Conference on Roofing Technology - 1983
T55 European Experience with New Roofings
T56 A Methodology for Developing Tests to Aid
Service-Life Prediction of
Single-Ply Roofing Membranes
T57 Field Experiences with Single-Ply Roofing
Systems
T58 Analysis and Design of Adhesive Lap Splices for
Elastomeric Single-Ply
Membranes
T59 Application of EPS Insulation For Optimum
Performance in BUR and
Single-Ply Roofing Systems
T60 Application Tolerances of Single-Ply Roofing
Membranes
T61 Recovering Existing Roofing with Single-Ply
Membranes
T62 Sprayed-In-Place Polyurethane Foam Roofing
Systems, Pros and Cons
T63 Recommended Application Tolerances for
Bituminous
Built-Up Roof
Membranes
T64 New BUR Technology Using Spunbonded Polyester
Reinforcing
Fabrics
T65 In-Place Thermal Aging of Polyurethane Foam Roof
Insulations
T66 Specifications for Roofing and Industrial
Asphalts
Second International Symposium on Roofing Technology - 1985
T67 Roofing in Europe
T68 Roofing practices in North America
T69 Roofing technology in the Far East
T70 Repair of roofing membrane systems: examples of
methods
T71 Suggested repair specifications for built-up roofs over
wet lightweight
concrete decks
T72 Minimizing ponding using flat insulation
T73 A basis for selecting roofing membranes
T74 Quality assurance for built-up roof construction
T75 Review of advances in mathematical models for
structural behavior of
bituminous and similar membrane systems
T76 Restrained and non-restrained deformation of
visco-elastic bodies
T77 A laboratory investigation of thermo-mechanical
properties of
polymer-modified roofing bitumens
T78 Application of microcomputers in the research of
roofing materials
T79 Rheologic property of roofing materials under
different temperatures
T80 A study of tensile strength of fiber glass roofing felts
after accelerated
laboratory conditioning
T81 Temperature profiles of different roof waterproofing
systems subjected to
natural exposure conditions
T82 Failure investigation and testing of single-ply roofing
membranes
T83 Maintenance of sprayed polyurethane foam (PUF)
roofing systems
T84 A study of some structural interrelationships between
polyurethane foam and
protective coatings
T85 The economic feasibility of the polyurethane foam
roof
system
T86 A theory to explain roof splitting by ice
T87 Elastomer SBS modified bitumens: a comparative
study of three specific
documents
T88 The performance aspects of SBS modified asphalt
roofing membranes
T89 Success and failure with (APP) modified
bitumen
T90 Single-ply: mastery and requisite performances
T91 Economic optimization of roof insulation thermal
resistance
T92 Perspectives of U.S. low-slope roof research
capability
and energy savings
potential
T93 Thermal performance measurements of insulated roof
systems
T94 Additional insulation of roofs
T95 PVC roofing membranes - factors affecting tensile
tests
T96 Polyisobutylene (PIB) single-ply membranes
T97 Roof coverings made of PVC sheetings: the effect of
plasticizers on life time
and service performance
T98 The transfer of architectural fabric structure
membrane
technology to high
performance roofing membranes
T99 Mechanical fastening of single-ply roof membranes
into steel decks-an
engineering evaluation
T100 Wood-based panels for roof decks
T101 Waterproofing of expansion joints: an original
system, simple and
efficient
T102 A new model to design roofs by mini- and
micro-computers
T103 Problems related to the design of metal roof
systems
T104 The significance of German guidelines regarding the
planning of roofs with
waterproofing and new considerations pertaining to the uniform requirements of roof
sealing
T105 Wind design guide for ballasted roofing
systems
T106 Wind tunnel tests on loose-laid roofing systems for
flat roofs
T107 Stone ballast design criteria on loose-laid single-ply
ballasted roofs for wind
speed, size and weight
T108 A study of the behavior of loose-laid ballasted
single-ply roofing systems
subjected to violent winds
T109 Air pressure testing of sheet metal roofing
T110 Field survey of moisture gain behavior within
single-ply roof systems
T111 New research, tests and experience concerning the
fire resistance of
bituminous roofing systems in the Federal Republic of Germany
T112 Aging criteria for PVC roofing membranes
T113 Field test results of experimental EPDM and PUF
roofing
T114 Test methods used in product development
T115 The performance of lightweight inverted flat
roofs
T116 Thermal design of highly insulated inverted
roofs
T117 The protected membrane roof - membranes and
insulations
T118 Performance of the protected membrane roof in
Australia
T119 Concrete roof tile developments and pitched roof
technology
T120 Concrete roofing tiles in the United States
T121 Experience with insulated sloped roofing in West
Germany
T122 Accessory metal for use with membrane roofing
assemblies
T123 Flat roofs in the UK and the integrated system
approach
T124 Expansion joints in low-slope roofs
T125 The way ahead for flat roofing
T126 The response of molded expanded polystyrene (EPS)
insulation board to
various attachment methods
T127 Use of phenolic foam in low-slope roofing
T128 Insulated roofs with two-layer steel sheets
T129 Expansion and contraction characteristics of
lightweight insulating concrete
in roofing systems
T130 Outdoor exposure of EPDM roofing
membranes
T131 The effect of application parameters on
adhesive-bonded seams in single-ply
membranes
T132 Condensation modeling of EPDM single-membrane
roof systems
T133 Crack bridging properties of elastomeric
waterproofing wall coatings
T134 An accelerated exposure test for the evaluation of
crack bridging ability of
roof coatings under hot climatic conditions
T135 Novel reinforced acrylic emulsion based roof
waterproofing systems
T136 Dry-range and wet-range moisture content of roofing
materials as found in
existing roofs
T137 Moisture and built-up roofing
T138 Drying of roof insulation: the use of wicks to
enhance
vent
performance
T139 Non-destructive evaluation methods for assessing the
quality of seams in
single-ply membranes
T140 Roof moisture surveys: yesterday, today and
tomorrow
T141 Sliding of waterproofing layers
T143 Choosing bitumens and polymers when
waterproofing with prefabricated
sheets
T143a The new tailored wet-laid nonwoven base materials
for bitumen roofing
felt
T144 Investigation of the potential of ice lenses under
built-up roofs on
lightweight insulating concrete
T145 Prefabricated panels for built-up roofs
Third International Symposium on Roofing Technology - 1991
T146 The effect of heat aging on the load-strain properties
of glass felt reinforced
asphalt built-up and polyvinyl chloride roofing membranes, and the effect of ultraviolet
accelerated exposure on
polyvinyl chloride membranes
T147 Single-ply membranes-effect of cold temperatures
and heat aging on tensile
properties
T148 Effect of heat history during manufacture on SBS
modified bitumen coating
quality
T149 Finite element modelling of reinforced bitumen
membranes
T150 Fatigue endurance program for classification of
builtup roofing
T151 Lap shear and t-peel testing of seams in EPDM,
CSPE and PVC for
single-ply roofs
T152 Failure initiation in EPDM lap joints in a lap shear
test
T153 Test methods and protocol for evaluating splicing
cement performance in
EPDM roofing membrane systems
T154 Nondestructive methods for determining the
waterproof integrity of roof
membranes and seams
T155 Factors affecting the strength and creep-rupture
properties of EPDM
joints
T156 Pulse-echo ultrasonic evaluation of the integrity of
seams of single-ply roof
membranes
T157 Computer data base use in the analysis of roofing
system performance and
design for New York state owned buildings
T158 Computer simulation to avoid ponded roofs
T159 Can an expert system help a non-expert to assess the
state of a roof?
T160 The U.S. Army's rooftop analyzer (RTA)
T161 Initial results from thin layer chromatography in
asphalt research
T162 Characterization of roofing grade asphalts
T163 The influence of bitumen's chemical composition in
bitumen/APP
compounds for waterproofing purposes
T164 Analysis of roof systems thermal performance from
field data
T165 Test methods for evaluating insulations for use with
single-ply roofing
systems
T166 Thermal properties for polyisocyanurate foam board
roof insulation blown
with CFC-11 substitutes
T167 Mechanical properties evaluation of
polyisocyanurate
roof insulation blown
with CFC-11 substitutes
T168 EPDM and PUF roofing long-term field test
results
T169 Laboratory evaluation of EPDM roof membranes: a
17-year history of
performance
T170 Characteristics of adhesive-bonded seams sampled
from EPDM roof
membranes
T171 Evaluation of performance properties of asphalt
impregnated corrugated
sheets
T172 The development of an expert system and historical
data base for PUF roof
system specification, design and analysis
T173 The effects of hail on residential roofing
products
T174 ARMA's new approach for evaluation of asphalt
shingle wind
resistance
T175 Durability of the SBS-modified bituminous
doublelayer system: correlation
between performances after artificial and natural aging
T176 Durability assessment of roofing membranes
T177 The use of thermo-mechanical and morphological
analyses for research on
properties of Bituminous compositions
T178 Forced vibration tests on bitumen and
polymerbitumen membranes to
determine their fundamental properties with respect to frequently used polymers
T179 Practical experience in design application and field
performance of roofing
in developing countries: the special case of Argentina
T180 Protected membrane flashings designed to
work
T181 Architectural contract document detailing for
single-ply membrane roof
systems
T182 Specification for quality assurance of single-ply
membrane material
T183 Wind resistance of mechanically-attached, single-ply
systems fastener load,
safety considerations and optimal fastener patterns
T184 Wind effects on tiled roofs-wind safety and
ventilation
T185 New research into the behavior of cold self-adhering
modified bitumen
roofing sheets and bituminous cold adhesive compounds under simulated and actual wind
conditions
T186 Full-scale testing of roofing performance
T187 Investigation of universal repair procedures for
single-ply roofing
systems
T188 Inspection, maintenance and repair of ballasted
EPDM roof systems
T189 T-peel strength testing of new to old EPDM roof
membranes
T190 The U.S. Army's implementation of the ROOFER
program
T191 Studies into aging of the roofing coatings on the
basis of
chlorosulfopolyethylene and forecasting of their durability
T192 Assessment of single-ply roofing in Japan
T193 Simultaneous effect of ozone concentration and
temperature on ozone
degradation of rubber sheets
T194 Field experiences versus standards and designs
T195 FIT classification for roofing systems
T196 Technology and the role of the National Roofing
Contractors
Association
T197 A new horizon in single-ply roofing (free electricity
for every home)
T198 An outdoor construction test facility, Saskatoon,
Canada
T199 New wetting curves for common roof
insulations
T200 Attic testing at the Roof Research Center-initial
results
T201 Analysis of modified bitumen roofing materials
using
the stiffness
modulus
T202 Cold weather roofing application
T203 An investigation of the role of differential structural
motion as the cause of
flashing problems
T204 Evaluating thermal stability of nonwoven
polyester
T205 Determining the composition of roofing membranes
manufactured with
atactic polypropylene (APP)
T206 In-plane testing of fully-adhered modified bitumen
roof membranes
T207 Weathering characteristics of polymer modified
asphalt roofing
membrane
T208 Aging of polyalphaolefinic modified bitumen for
roofing membranes
T209 Skydome roof assembly design
T210 European roofer's experience after the 100 mph
winds of January and
February 1990
T211 Innovative communications for a new decade of
roofing
T212 Achieving the perfect flat roof
T213 Stress-strain characteristics for EPDM, CSPE and
PVC for the
development of stresses in membranes utilized as single-ply roof systems
T214 Glass transitions in polymeric roofing membranes -
determination by
dynamic mechanical analysis
T215 The application of thermal analysis to the
characterization of EPDM
roofing membrane materials after exposure in service
T216 Asbestos and roofing: is common sense
possible
T217 Roofing construction may impact existing interior
building asbestos
T218 Degradation of fire-retardant-treated plywood:
current theories and
approaches
10th Conference on Roofing Technology - 1993
T219 From Generation to Generation: Issues and Problems
Facing the
Steep-Slope Roofing Industry
T220 Research and Performance Experience of Asphalt
Shingles
T221 Synthetic Roof Covering Systems
T222 Asphalt Shingles-A Century of Success and
Improvement
T223 Standing Seam Metal Roofing Systems in Cold
Regions
T224 Issues Paper on Low-Sloped Roofing
T225 A Field Study of the Performance of
Polymer-Modified Bitumen
Roofing
T226 Floating and Sinking Glass Fiber Felt Plies in
Coal-Tar Pitch Built-Up
Roofing Membranes
T227 Impact of Exposure Conditions on the Mechanical
Properties of
Polyisocyanurate Foam Insulations
T228 Field Performance Research of APP Modified
Bitumen Roof Membranes
and Coatings
T229 The Effect of Ozone on the Creep-Rupture of
Butyl-Adhered EPDM Seam
Specimens
T230 Static vs. Dynamic: A Wind Uplift Testing
Study
11th Conference on Roofing Technology - 1995
T231 Asphalt Roofing Shingles
T232 Underlayments for Steep-Slope Roof
Construction
T233 Performance of Preservative-Treated Wood
Shingles and Shakes
T234 A Technique to Assess Wind Uplift Performance of
Standing Seam Metal
Roofs
T235 Improving Wind Performance of Asphalt Shingles:
Lessons from Hurricane
Andrew
T236 A Performance Classification System for
Polymer-Based Roofing
Membrane Materials
T237 Reinforcing Materials for Polymer Modified
Bitumen Roofing Sheets
T238 Field Experiments for Wind Loading on Metal
Edge
Flashings
T239 Five-Year Field Study Confirms the PIMA
Standard
for Estimating
Polyisocyanurate Insulation Long-Term Thermal Performance
T240 Performance of Tape-Bonded Seams of EPDM
Membranes: Initial
Characterization
T241 Shrinkage of EPDM Roof Membranes:
Phenomenon, Causes, Prevention
and Remediation
T242 A Whole Building Demonstration of Re-Cover Over
an Existing Wet
Roof
T243 Shattering of Unreinforced PVC Roof Membranes:
Problem Phenomenon, Causes and Prevention
T244 Steel Deck Corrosion Associated with Phenolic
Roof Insulation: Problem Causes, Prevention, Damage Assessment and Corrective
Action
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